We merely need to secure his official cooperation, whether he follows through on it or not.

Both parties generally prohibit any kind of coalition or official cooperation with each other.

Attempts by the central government to exert greater control over the coal sector have been frustrated by a lack of official cooperation at local level.

I said, "I had the impression that everything was sweetness and light and official cooperation, sir."

We have no news on any official cooperation between the remains of the Empire and Zsinj.

The producer of one big-budget project in Mexico said he had to make "a six-figure payment" to a provincial military commander to secure official cooperation.

All I ask is that you supply me with proof and youll have my complete, my official cooperation.

The most prudent course is to suspend official cooperation until the political situation sorts out.

That does not concern this system, however, as it has been described here; it concerns official cooperation, and not the violation of any rights.

A Federal drug official said the operation apparently had official cooperation in Cuba.